They may look like something from a 1950s sci-fi film ... sponges or anemones for camouflage. Juvenile Japanese spider crabs will do this, but with few predators at the depths in which they ...

Find out how web-spinning spiders do what they do and learn about ... spinneret is a collection of spigots, nozzle-like structures. A single silk thread comes out of each. Jan explains, 'Although it ...